Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Germany - Zeppelin Flights - 1932 (August 29 - September 1), 5th SAF postcard (Hugo Eckener) to Bolivia, franked by three air post stamps, tied by ''30.8.32'' on board marking, violet confirmation cachet and La Paz ''14.SEPT.32'' arrival ds, mounted on page from a Collection, VF, Sieger #171, Est. $150-$200, Scott #C29, C31, C35